© 2010 Bentley Systems, Incorporated Ron Gant, P.E., Bentley Systems, Inc. Virtual Design & Construction: 3D Information Modeling

© 2010 Bentley Systems, Incorporated 2 | The Challenge B uilding I nformation M odeling Civil I nformation M odeling But really…….

© 2010 Bentley Systems, Incorporated 3 | Information Modeling Everything is an extract of…. Physical 3D design model –Digital Terrain Model –Plan Set (construction or fabrication) –Quantities –Machine Guidance –Clash detection.

© 2010 Bentley Systems, Incorporated 4 | Information Modeling Business drivers for Civil-Transportation –PPP (Public-Private Partnerships) –Design Build –Machine Guidance –Clash Detection –Improved profitability –Life Cycle Management –Construction simulation Paradigm shift for Civil Engineers –Not just about construction –Life Cycle data management

© 2010 Bentley Systems, Incorporated 5 | The Challenge Ronald E. Gant Vertical modeling in a horizontal world –Technical challenges Horizontal scale of projects –Grid to ground –Convergence of meridians –Linear stationing vs. grid –State Plan or geodetic vs. local coordinate system U.S. Survey Foot –One International Foot equals U.S. Survey feet –Professional challenges No state registration board accepts the model, yet Paper rules Model stamping, security

© 2010 Bentley Systems, Incorporated 6 | Building Advantages AIA approved, National CAD Standards Physical scale Coordinate systems Willingness to change Civil Challenges Lots of standards – 50 DOTs Geo-coordination Linear or State Plane Traditional workflows Comparisons

© 2010 Bentley Systems, Incorporated 7 | What Makes Civil Information Special Some cases, Nothing –Drainage –Survey –Site

© 2010 Bentley Systems, Incorporated 8 | What Makes Civil Information Special But working with the DOT –Pay Item Databases

© 2010 Bentley Systems, Incorporated 9 | What Makes Civil Information Special But working with the DOT –Pay Item Databases

© 2010 Bentley Systems, Incorporated 10 | Information Modeling Public Involvement Field Reporting Quantities Shop Drawings Survey / Layout Scheduling 3D Visualization Machine Controls External Vendors and Suppliers Constructability Field Working Drawings InRoads GEOPAK MX InRoads GEOPAK MX

© 2010 Bentley Systems, Incorporated 11 | Things to look for in your Information Modeling Solution Geo-Coordination Geometric Precision Project Collaboration Project History

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© 2010 Bentley Systems, Incorporated 14 | What is AASHTO – TIG?

© 2010 Bentley Systems, Incorporated 15 | Mission of TIG – AMG Dedicated to sharing high-payoff, market- ready technologies among transportation agencies across the U.S. Promote technological advancements Sponsor technology transfer efforts Encourages implementation of those advancements

© 2010 Bentley Systems, Incorporated 16 | AASHTO –TIG Team Partnering with the Contracting Community –Contractors on team –Working with AGC and ARTBA

© 2010 Bentley Systems, Incorporated 17 | AASHTO –TIG Partners Working with Governmental Groups –FWHA on TIG team –TRB –AASHTO committees Partnering with private sector –Software developers –Hardware vendors

© 2010 Bentley Systems, Incorporated Ron Gant, P.E., Bentley Systems, Inc. Thank you